111011221002222 has 40 divisors (see below), whose sum is σ = 251210210819832. Its totient is φ = 36637366662000.

The previous prime is 111011221002221. The next prime is 111011221002251. The reversal of 111011221002222 is 222200122110111.

It is a super-2 number, since 2×111011221002222² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111011221002195 and 111011221002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011221002221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3392332404 + ... + 3392365127.

Almost surely, 2^{111011221002222} is an apocalyptic number.

111011221002222 is an abundant number, since it is smaller than the sum of its proper divisors (140198989817610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111011221002222 is a wasteful number, since it uses less digits than its factorization.

111011221002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784697646 (or 6784697637 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111011221002222 its reverse (222200122110111), we get a palindrome (333211343112333).

The spelling of 111011221002222 in words is "one hundred eleven trillion, eleven billion, two hundred twenty-one million, two thousand, two hundred twenty-two".